42793229 has 2 divisors, whose sum is σ = 42793230. Its totient is φ = 42793228.

The previous prime is 42793211. The next prime is 42793243. The reversal of 42793229 is 92239724.

42793229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24730729 + 18062500 = 4973^2 + 4250^2 .

It is a cyclic number.

It is not a de Polignac number, because 42793229 - 2¹² = 42789133 is a prime.

It is equal to p_2592848 and since 42793229 and 2592848 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 42793192 and 42793201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42393229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21396614 + 21396615.

It is an arithmetic number, because the mean of its divisors is an integer number (21396615).

Almost surely, 2^42793229 is an apocalyptic number.

It is an amenable number.

42793229 is a deficient number, since it is larger than the sum of its proper divisors (1).

42793229 is an equidigital number, since it uses as much as digits as its factorization.

42793229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 42793229 is about 6541.6533842753. The cubic root of 42793229 is about 349.7773522733. Note that the first 3 decimals are identical.

The spelling of 42793229 in words is "forty-two million, seven hundred ninety-three thousand, two hundred twenty-nine".